diff --git a/polling/polling.ino b/polling/polling.ino
new file mode 100644
index 0000000..5349745
--- /dev/null
+++ b/polling/polling.ino
@@ -0,0 +1,9 @@
+void setup() {
+  Serial.begin(9600);
+  pinMode(A0, INPUT);
+}
+
+void loop() {
+  input = analogRead(A0);
+  delay(10);
+}